244  
CDUS46 KSGX 300936  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
236 AM PDT MON SEP 30 2024  
   
...............................  
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 29 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 1:48 PM 104 2020 87 3 75  
MINIMUM 57 5:58 AM 53 1998 61 -4 62  
AVERAGE 74 74 0 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2019 0.01 -0.01 T  
2023  
MONTH TO DATE T 0.10 -0.10 0.24  
SINCE JUL 1 T 0.18 -0.18 2.16  
SINCE OCT 1 17.64 11.64 6.00 25.64  
SINCE JAN 1 16.29 8.54 7.75 20.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 9 9 0 4  
MONTH TO DATE 371 368 3 263  
SINCE SEP 1 371 368 3 263  
SINCE JAN 1 1745 1741 4 1451    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 6:00 AM  
LOWEST 20 1:00 PM  
AVERAGE 55  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 108 2020  
MINIMUM TEMPERATURE (F) 61 52 2019  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2024.....SUNRISE 6:45 AM PDT SUNSET 6:35 PM PDT  
OCTOBER 1 2024.......SUNRISE 6:45 AM PDT SUNSET 6:34 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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